I changed my mind on the SK 210.... it is just too big in focal length for my purpose. I will be getting rid of it. What decided me is I found the Minolta MD 135mm F2 is much more manageable( I do have the necessary connectors) with the same sized front element. The MD 135 is not flat field but at the magnification I would be using its probably not a major consideration and if it became an issue there is always stacking. SO its back to stage one( with a lot more experience) to see if I can construct a reasonable telecentric adapter._________________Still learning,
Cameras' Sony A7rII, OLympus OMD-EM10II
Macro lenses: Printing nikkor 105mm, Sony FE 90mm F2.8 Macro G, Schneider Kreuznach Makro Iris 50mm , 2.8, Schnieder Kreuznach APO Componon HM 40mm F2.8 , Mamiya 645 120mm F4 Macro ( used with mirex tilt shift adapter), Olympus 135mm 4.5 bellows lens, Oly 80mm bellows lens, Olympus 60mm F2.8